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atoms

atoms

Gaseous atoms, ejected from a heated coil of platinum, fall like snowflakes, alight, cool to solidity, and stick. They gather in clusters.

As new atoms land and attach themselves, the clusters grow; soon they begin to coalesce. The gaps between them shrink and keep shrinking; finally—phip!—the gaps disappear, and a first layer is complete. A second begins to form across its top.